| 规格和标准 |
Gear accuracy: JIS B 1702-1 Before N8 grade heat treatment Tooth profile: regular teeth Pressure angle: 20° Material: S45C Heat treatment: Induction hardening on the tooth surface Tooth surface hardness: 50-60HRC Surface treatment: Black dye (no re-black dye after additional work, no re-black dye after quenching) Number of teeth: 19 Shape: S1K Standard circle diameter (mm): 47.5 Tooth width ( mm): 25 Hole diameter (mm): 22 Module: 2.5 Tooth tip circle diameter: 52.5 Total length (mm): 37 Key groove b2 x t2 (mm): 6 x 2.8 Boss diameter (mm): 39 Boss length (mm): 12 Hole diameter公差:H7牙齿表面表面:切割水龙头:M5
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